United in grief for the grandfather they both loved, princes William and Harry walked in Prince Philip's funeral procession on Saturday.
Under intense scrutiny and the eyes of the world, the brothers came together to do their duty. Yet while both Prince William and Prince Harry did their part perfectly, to watching experts there were notable differences in their body language.
As the two walked with their family on the eight minutes to the chapel, body language expert Derek Heron noted: "William has a slight downcast look and Harry is keeping eyes forward.
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